.banner {
  position: relative;
}

.banner .banner-cover img {
  width: 1226px;
  height: 460px;
  display: block;
}

.banner .banner-pointer {
  position: absolute;
  width: 40px;
  height: 70px;
  color: #b8c3cb;
  text-align: center;
  line-height: 70px;
  cursor: pointer;
  top: 50%;
  margin-top: -35px;
}

.banner-pointer:hover {
  background: rgba(0, 0, 0, 0.5);
  color: #fff;
}

.banner .banner-pointer.banner-pointer-left {
  left: 234px;
}

.banner .banner-pointer.banner-pointer-right {
  right: 0;
}

.banner .banner-dots {
  position: absolute;
  right: 30px;
  bottom: 30px;
  display: flex;
  align-items: center;
}

.banner-dots span {
  width: 10px;
  height: 10px;
  background: rgba(0, 0, 0, 0.4);
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.3);
  margin: 0 4px;
  cursor: pointer;
}

.banner-dots span.banner-dots-selected {
  border-color: rgba(0, 0, 0, 0.4);
  background: rgba(255, 255, 255, 0.3);
}

.banner .banner-menu {
  width: 234px;
  height: 100%;
  background: rgba(105, 101, 101, 0.6);
  position: absolute;
  left: 0;
  top: 0;
  padding: 20px 0;
  padding-bottom: 15px;
}

.banner .banner-menu .banner-menu-item {
  display: flex;
  justify-content: space-between;
  color: #fff;
  padding: 0 20px 0 30px;
  height: 42px;
  line-height: 42px;
  cursor: pointer;
  box-sizing: border-box;
}

.banner .banner-menu li:hover .banner-menu-item {
  background-color: #ff6700;
}

.banner .banner-menu li:hover .banner-sub-menu {
  display: grid;
}

.banner .banner-sub-menu {
  position: absolute;
  top: 0;
  left: 234px;
  width: 992px;
  height: 100%;
  background: #fff;
  border: 1px solid #eee;
  display: none;
  /* display: grid; */
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: repeat(6, 1fr);
  column-gap: 20px;
  padding: 0px 20px;
}

.banner-sub-menu a {
  display: flex;
  align-items: center;
}

.banner-sub-menu img {
  width: 40px;
  height: 40px;
}

.banner-sub-menu a span {
  margin-left: 10px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  width: 154px;
}
